446946649 has 4 divisors (see below), whose sum is σ = 466379136. Its totient is φ = 427514164.

The previous prime is 446946631. The next prime is 446946659. The reversal of 446946649 is 946649644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 446946649 - 2²³ = 438558041 is a prime.

It is a super-2 number, since 2×446946649² = 399522614104658402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 446946596 and 446946605.

It is not an unprimeable number, because it can be changed into a prime (446946659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9716209 + ... + 9716254.

It is an arithmetic number, because the mean of its divisors is an integer number (116594784).

Almost surely, 2^446946649 is an apocalyptic number.

It is an amenable number.

446946649 is a deficient number, since it is larger than the sum of its proper divisors (19432487).

446946649 is a wasteful number, since it uses less digits than its factorization.

446946649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432486.

The product of its digits is 4478976, while the sum is 52.

The square root of 446946649 is about 21141.1127663612. The cubic root of 446946649 is about 764.5723036822.

The spelling of 446946649 in words is "four hundred forty-six million, nine hundred forty-six thousand, six hundred forty-nine".